Questions tagged [shimano]

Shimano brand bicycle components. (No need to use if Shimano is an incidental part of the question.)

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12
votes
2answers
20k views

Moving tfrom Shimano 9- to Shimano 10- speed

I'm thinking of changing the 9-speed Tiagra rear mech on one of my (road) bikes to something, still Shimano, but 10-speed. The obvious replacements I'll need are cassette, right-shifter and chain. ...
22
votes
6answers
57k views

Does this chainring need to be replaced?

Here is a closeup of my triple: All three rings are Shimano Ultegra and have never been changed. They probably have at least 12000+ km on them. I've been pretty good about changing the chain ...
12
votes
2answers
52k views

Difference between Road/Mountain Hollowtech II Bottom Brackets?

Shimano sells Hollowtech II bottom brackets which are labeled for road and mountain bikes explicitly. I had no trouble fitting a Shimano Deore BB52 Hollowtech II Bottom Bracket into my road bike and ...
3
votes
0answers
6k views

Shimano STX rear shifter, broken spring

I have to repair a Shimano STX shifter 7 speed (from a Raleigh MT200 bike from 1995). It has a broken spring, and I am almost sure that is the only thing to be repaired. It is similar to that ...
7
votes
1answer
9k views

Replace Ultegra 6600 STI lever

I need to replace my Ultegra 6600 right hand shifter as the ratcheting system is gone. The rest of the groupset is all the same 6600 series. I am having a hard time sourcing just a right hand side ...
7
votes
4answers
31k views

Can you use a 8 speed Shimano shifter with a 7 speed cassette?

I want to use an 8-speed shifter with a 7-speed cassette. I saw this question, but I am unsure if this would work, since I believe the spacing is the same between a 7- and 8-speed, but the length is ...
7
votes
4answers
72k views

Special hub requirements for an 11-speed group

In a question earlier today (Changing cassette from 8 to 10 or 11 to meet the Shimano 105 5800 groupset) the Op asserts that they would need to change their hub, if they wanted to go from a 10- to 11- ...
15
votes
3answers
63k views

How can you identify if a Shimano rear derailleur is medium or long cage?

I have a 2013 Shimano XT rear derailleur. It is part of a 2x10 drivetrain. How can I find out if it is a medium or a long cage one? The picture below shows the derailleur.
17
votes
2answers
39k views

I'm changing from 8-speed to 10-speed will I need to replace my rear Hub?

I've dug an old road bike out of the garage for the winter and need to upgrade the drive-train, I'm happy about most of what I need but but I'm not sure about the rear hub (an old Shimano Ultegra).. ....
4
votes
5answers
55k views

9-speed system to 11-speed drivetrain upgrade?

I am currently upgrading my bike from a 9 speed to an 11 speed system. I am currently using shimano 105 components and will continue to use them within the new system. Current bike has a shimano 105 ...
1
vote
2answers
509 views

Shimano Deore front derailleur occasionally sticking

I have a question about my front derailleur sticking occasionally. I've had this bike for a 1.7 years and have ridden it through 2 winters. It has only been after this last winter that my front ...
18
votes
1answer
1k views

How can I tell which road bike components/groupsets are better?

Shimano has new models of their groupsets every year but the lines generally keep the same names. This makes it difficult to figure out what year/version a particular bike has. Is there an easy way to ...
11
votes
3answers
6k views

What kind of maintenance does a shimano dynamo hub need?

I have a shimano dynamo hub on the front of my bike. Does it need any special maintenance, or maybe it needs just a little synthetic grease once a year, like a normal front hub?
8
votes
2answers
528 views

What is the heritage behind Shimano groupset names?

Shimano’s groupsets have some fairly unique names. Here are the names, arranged in each hierarchy from lowest to highest cost: Mountain: Tourney Altus Acera Alivio Deore SLX Deore XT XTR Road: ...
5
votes
3answers
25k views

What tool is needed to remove a Shimano HG-50 freewheel?

What tool is needed to remove a Shimano HG-50 freewheel from the wheel hub? It looks like a 12mm or 13mm Allen key. Will this do it or is there some detail I have missed?
2
votes
1answer
3k views

Installing Alfine shifter with nexus 8 hub

My nexus shifter needs replacing and I don't like the twisting type of shifters so I wanted to use a trigger one with my nexus hub. Can I use the Alfine SL-S503 with a nexus 8 internal hub? I think ...
9
votes
3answers
14k views

Combining Shimano RS500 crankset with Stages Shimano 105 5800

I've been thinking about getting a power meter for a while now. I finally decided I would get one, but now I realise that Stages only starts at the Shimano 105 level. I currently have a Shimano RS500 ...
7
votes
4answers
16k views

Are the Shimano derailleurs sold on Ali Express genuine or fake?

I am trying to buy Shimano Alivio M4000 components. When I was researching on Ali Express, I found this. This is Alivio M4000 including the front derailleur, rear derailleur, left and right Shifters ...
7
votes
2answers
2k views

Anti-rotation washers (non-turn) washers in non-parallel dropouts?

I have a Shimano Alfine 11 Interally-geared hub and am fitting it to an "M5 559 shockproof" recumbent. The wheel is built and true and runs nicely. However I have a problem with the anti-rotation ...
6
votes
3answers
2k views

Reinforced Shimano pin snapped before connecting chain - how to resolve?

My previous chain snapped weeks ago and only got a new one sorted. I've cut the chain to the right size, fed it through the derailleurs and onto the bike correctly. The last step was to use the ...
6
votes
3answers
1k views

Wilier oversize bottom bracket bearing cups for Shimano crank

My bike frame is a Wilier Imperiale with Campagnolo crankset. I am changing the crank to a Shimano 6800. The bottom bracket does not fit to the Shimano one. It is old version WILIER OVERSIZE BOTTOM ...
5
votes
2answers
253 views

Shimano GRX 2x10 crankset compatible with mtb front derailleur + shifters?

I would like to replace my existing MTB crankset with a GRX crankset to get a bigger outer chainring (cannot find anything for my existing crankset, FC-M4100-2). Does that even work? I'm trying to ...
4
votes
1answer
356 views

Shimano RD M5120 and 10 / 11 speed compatibility

I thought the shimano mtb 10 speed is completely separate system and isnt compatible with anything else. However now there is a 10/11 speed RD - the RD-M5120 SGS. I was wondering how does this work. ...
4
votes
3answers
846 views

Shifter cable ruptured near the inner end in ST-R7020 - usual defect?

Is is a shifter cable ruptured/torn near the inner end a usual defect with the ST-R7020 shifter or alike? Some words on the symptoms when this defect happened (might help others with diagnoses): ...
4
votes
6answers
33k views

Shimano Compatibility

I'm quite new to upgrading parts, and trying to put together a Cyclocross / Touring bike and getting quite confused about compatibility. Can I use 10 speed Tiagra Sti shifters with triple Deore 10 ...
4
votes
1answer
6k views

Replaced Shimano Bottom Bracket, now front derailleur won't shift to largest gear

OK, so in my quest to get my old Trek 7000 ZX MTB running again after a long retirement, I am having an issue with replacing the bottom bracket. The bike came with a Shimano LP25 that is marked BC 1....
4
votes
1answer
7k views

Fix a wobbly Shimano freehub?

I have a brand new Shimano Ultegra WH-6800 rear wheel. The freehub has about 2mm of play in it. I can feel the play without the cassette installed by grabbing the freehub body and moving it. It moves ...
3
votes
1answer
12k views

Can I replace only the smallest cog on my rear cassette?

I currently have a 12-30t rear cassette which needs replacing. While I'm at it, I really want to switch to an 11 tooth to get the extra 9% in top speed. But the problem is, even the most expensive (...
2
votes
1answer
155 views

Shimano RD-R7000 cable cut into thread?

That gap/cut in the hollow screw of the cable mount is not supposed to be there, right? If so, is this a typical defect? The hollow screw is pressed into the derailleur body and not replaceable, so ...
2
votes
3answers
2k views

How to tighten the Hollowtech II (on R2000 Claris) cranks?

The owner's manual on my new bike (with the new Shimano Claris, not the old one with Octalink) asks me to do this: After the first 20 km tighten the crankset and also tighten the pedals in the ...
2
votes
1answer
354 views

Switching from MTB to road handlebars

I have a gravel bike with an MTB setup. SRAM GX rear mech, SRAM XO shifter, 1x11 system, Shimano disc brakes. How would I go about replacing my flat handlebars with road bars? Alternative 1 Get a ...
1
vote
2answers
895 views

I need to change my bike from UK to US Spec

I bought a bike from the UK. The brakes and shifters are on the opposite sides. I want to change it so the front brake is on the left and the rear is on the right, Same thing for the shifters. I ...
4
votes
2answers
24k views

How should I lubricate my Shimano freewheel?

I have a Shimano freewheel (MX-30) that came with my bike from new. Unfortunately the internals got all gunked up and it stopped working (never engaged and became free both ways). I have bought and ...
4
votes
3answers
18k views

Shimano 105 10 and 11 speed compatibility

Currently I have on my bike the Shimano 105 system (2 years old) with 10 speed cassette. Currently I am buying a new wheelset (Fulcrum Racing zero) made for Shimano 11 cassette. I was told that I can ...
14
votes
1answer
30k views

Which pulley is which on my Shimano STX RC derailleur?

I disassembled my rear derailleur to clean it; when I removed the sprockets they basically looked the same; both jet black and caked with all sorts of black grease-like-stuff. I figured they were the ...
13
votes
5answers
8k views

Why doesn't Shimano use shadow technology on road derailleurs?

Shimano has been using their 'Shadow' technology on their high-end mountain bike rear derailleurs (> Deore) for many years. In addition to the benefit described in the images below (from here), ...
6
votes
3answers
21k views

How to reassemble a Shimano Alivio Shifter

I need a diagram on how to reassemble a Shimano Alivio Shifter. I just can't seem to get it right. I even disassembled the other shifter to see how it all fits together and now I can't get it ...
5
votes
1answer
12k views

Which derailleur should I use with a Shimano 7 speed freewheel 14-34T megarange?

Which derailleur should I use with a Shimano 7 speed freewheel 14-34T megarange in order to prevent the derailleur from rubbing the cassette in 2nd.
5
votes
3answers
7k views

Can I use Shimano 105's brakes with vintage bike?

Complete newbie here, looking for better stopping power and less rusty calipers. I have a Nishiki Custom Sport with Dia Compe brakes and I was wondering if I could use the Shimano 105 5800's on them. ...
4
votes
3answers
10k views

Can I drop-in a compact crank set with my current 105 groupset

I live near a lot of hills and am fairly new to biking. In my lowest gear I still can't keep up at an efficient pedal rate on the hills. I found out they sell "compact cranksets" which in addition ...
4
votes
6answers
5k views

How do I make the platform side of a Shimano PD-A530 multi-purpose SPD pedal less "slippery"?

The lock side is great, however, shoes does not stay on the platform side. Your leg always slip out from the pedals during pedaling. Any solution to improve it?
4
votes
1answer
1k views

Can I use Shimano trigger shifter with my X3 SRam gears?

My bike has SRam X3 gears and a grip shifter. I'd like to change for a trigger shifter. In the bike shop where I bought it, they say that I can change for a Shimano shifter (they don't have SRam). I'...
4
votes
3answers
3k views

Electra Shifter (Revoshift) is hard to turn

My wife has a hard time turning the Revoshift grip on her Electra Townie 7D due to arthritis issues in her hands. Is there a way to help with this issue?
3
votes
2answers
8k views

Explanation on the lineup of Shimano Derailleurs

I am pretty sure that almost everyone in this community knows the answer to this question but not me. I found this picture on the internet. I am just a beginner and I still don't understand the ...
2
votes
2answers
2k views

Major Problem: 135mm rear spacing road touring frame with shimano 5800 11 speed cassette?

I have a brand new traitor wander touring frame, it has 135mm rear spacing like a mountain bike (this is a road touring frame). I bought 29er mountain bike disc wheels that were advertised as 11 ...
2
votes
1answer
5k views

Upgrade Options for Shimano Crankset Tourney FC-TY701

My son has bashed up the inner ring on his crankset (Shimano FC-TY701) and since it is riveted I can't replace the bent ring. I want to replace it with something better but am not planning on ...
1
vote
1answer
3k views

Shimano Hollowtech II bottom bracket: milling the frame necessary?

In a bike shop I recently asked for bottom brackets. The seller said, when choosing a Hollowtech II bottom bracket (like SM-BB70), compared to Octalink/square taper bottom brackets the outer (lateral) ...
1
vote
2answers
18k views

Is the 9-speed Sora crankset compatible with 105 11-speed chain?

I'm thinking of upgrading my bike, which has a Sora 9-speed system on it (50/34 chainset). The upgrade is for esthetic reasons - i simply like the look of the internal cable routing. That being said, ...
0
votes
3answers
864 views

How to use bicycle gear ratios

In a 21 speed bicycle, which is the fastest gear ratio. Smallest on front and largest on back or vice versa?
18
votes
1answer
3k views

Why is Shimano's 105 groupset called 105?

The current road lineup is Claris / Sora / Tiagra / 105 / Ultegra / Duraace 105 stands out as odd because its a number. Is there some special meaning ? Research 105 was released in 1983 as a 6 ...